Adding negative numbers

Front

What is a negative number?

Back

A negative number is a number that is less than zero, often represented with a minus sign (-).

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

What is the definition of a whole number?

Back

A whole number is a non-negative integer, including zero (0, 1, 2, 3, ...).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

Front

What is the result of -3 + (-4)?

Back

-3 + (-4) = -7.

Front

What is the result of -10 + 5?

Back

-10 + 5 = -5.

Front

What is zero classified as?

Back

Zero is classified as a whole number, an integer, and a rational number, but not a natural number.

Front

Are all integers rational numbers?

Back

True, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2 or π.

Front

What is the result of -7 + (-2)?

Back

-7 + (-2) = -9.